marine corps museum monograph series U.S. Marine Corps Marksmanship Badges from 1912 to the present / by Michael D. Visconage Ordnance / Bethlehem steel company SAC : the Strategic Air Command / R.G. Hubler United States military saddles, 1812-1943 / Illus. by Randy Steffen Half-track : a history of American semi-tracked vehicles / by R.P. Hunnicutt ; line drawings by Michael Duplessis ; color drawing by Uwe Feist ; … Antiaircraft defense (tentative) Theory and design of recoil systems and gun carriages / prep. in the Office of the Chief of Ordnance strijdende koopvaardijvloot Technical aspects of chemical warfare in the field / United States Army. Chemical Warfare Service : Part 1 Technical aspects of chemical warfare in the field : Discussion of experimental data / United States Army. Chemical Warfare Service u.s. army training manual First course in general education : elementary arithmetic teacher's manual basic training guide